Sami Berik uses Wing Chun & Tai Chi Chuan as a strong base, then adds boxing, Muay Thai, Jujistsu, greco wrestling. as long as you have a strong base you can pick and mix what u lack in.
Check out Sami's new highlight reel: https://www.samiberik.com/hunreal.wmv you can also see Stephen Quadros on Sami https://www.samiberik.com/quadonsam.wmv